This machine set is mainly used to produce PVC steel wire strengthen hose. PVC steel wire strengthen hose also called steel hose or spiral hose. It is a kind of PVC transparent hose inserted with spiral steel wire, which has the feature of extrusion proof, corrosion proof, antistatic and high pressure resistance. It is suit for the transportation of inflammable gas and liquid, liquid impuritys absorption and discharge. This hose has high flexibility, wear resistance and impregnant resistance. It is comprehensively used in the industry of vacuum facility, construction, agriculture irrigation, etc.